Finding the Fourth Proportional to 94,743.36, 130,731.48 and 62,958.96
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Solution
The fourth proportional to 94,743.36, 130,731.48 and 62,958.96 is: 86,873.82
Step by Step Solution
- Step 1: Write the proportion equation
94,743.36 : 130,731.48 = 62,958.96 : x - Step 2: Convert to fraction form
94,743.36/130,731.48 = 62,958.96/x - Step 3: Cross multiply
94,743.36x = 130,731.48 × 62,958.96 - Step 4: Simplify right side
94,743.36x = 8,230,718,020.06 - Step 5: Solve for x
x = 8,230,718,020.06/94,743.36 - Step 6: Final answer
x = 86,873.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.